Pseudo-Messiah of the beginning of the eighth century; a native of Syria. The name is a Latin form of , which is found in a responsum of Naṭronai Gaon ("Sha'are Ẓedeḳ," p. 24a, b). Gregorius bar Hebræus ("Chronicon Syriacum," ed. Kirsch and Bruns, p. 123), however, speaking of the same false Messiah, writes his name , which was rendered "Severus" by the translators of the chronicle. Naṭronai states in his responsum (l.c.) that Serene represented himself as the Messiah, establishing certain religious observances opposed to the rabbinical law, abolishing prayer, neglecting the laws of "ṭerefah," not guarding the wine against "nesek," working on the second holy day, and abolishing both the ketubah and certain incest laws established by the scribes.
The date of Serene's appearance is given by Isidor Pacensis ("Chronicon," in Florez's "España Sagrada," viii. 298) as 103 of the Hegira (c. 720
- Grätz, Gesch. 3d ed., v. 152 et seq., note 14.